MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious due to a high number of embedded links, characteristic of a link farm designed to distribute malicious content. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=string+to+integer+c%252B%252B'. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDF files, suggesting a coordinated effort to lure users to malicious sites. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=string+to+integer+c%252B%252B
- http://files.twogreenshoots.com/uploads/1/3/0/7/130738814/da23d5b.pdf
- http://files.the59edsel.com/uploads/1/3/0/7/130776858/78007.pdf
- http://files.watchmarketreview.com/uploads/1/3/1/8/131857734/7051820.pdf
- http://files.fabricofthenorth.org/uploads/1/3/2/6/132695615/fee26673c.pdf
- https://cdn.shopify.com/s/files/1/0435/3336/9503/files/fosesutisomojofemivubew.pdf
- https://cdn.shopify.com/s/files/1/0431/6286/1730/files/lekonej.pdf
- https://cdn.shopify.com/s/files/1/0432/7004/5864/files/jibopidototusagujogof.pdf
- https://cdn.shopify.com/s/files/1/0429/7388/8671/files/jelig.pdf
- https://cdn.shopify.com/s/files/1/0428/4085/0598/files/lumefu.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6060/files/vaxivodamefur.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/38466120922.pdf
- https://cdn.shopify.com/s/files/1/0438/9643/8936/files/diritakizojanikaruvagod.pdf
- https://cdn.shopify.com/s/files/1/0433/3033/8966/files/socket_programming_assignment_5_icmp_pinger.pdf
- https://cdn.shopify.com/s/files/1/0433/6225/5013/files/tibesibokemeb.pdf
- https://cdn.shopify.com/s/files/1/0436/4494/4542/files/30955827509.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72438278193.pdf
- https://cdn.shopify.com/s/files/1/0437/3856/2712/files/17572710718.pdf
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/lufovuves.pdf
- https://cdn.shopify.com/s/files/1/0436/5778/9593/files/kixugofobamewuma.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006453.bin0e9e032f99458cd94da7789fe6f4cdf11bceb0bead79e79bcb4da95ccf93c6e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6453 | 4648 bytes |
font_01_sfnt_off0000743e.bin4858b3d4779f6348507b5f40b0e25ef1e1719e9498b3ac28b736f9f5e8725f43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743E | 15752 bytes |
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